do not drink alcohol in excess with cialis. side effects may include headache, upset stomach, delayed backache or muscle ache. to avoid long-term injury, seek immediate medical help for an erection lasting more than four hours. if you have any sudden decrease or loss in hearing or vision, or if you have any allergic reactions such as rash, hives, swelling of the lips, tongue or throat, or difficulty breathing or swallowing, stop taking cialis and get medical help right away. ask your doctor about cialis for daily use and a 30-tablet free trial. [ male announcer ] the first look is only the beginning. ♪ ♪ this is a stunning work of technology. ♪ this is the 2013 lexus es and the first-ever es hybrid. this is the pursuit of perfection. >>> i'm amanda drury with your cnbc market wrap. stocks recover after a false tweet about terrorism which sent the dow down by triple digits. it did bounce back to finish up by 152 points. the s&p as you can see gaining. 16 points. the nasdaq adding 35. >>> apple shares are higher after hours